Đà Nẵng, Vietnam --:--:-- GMT+7

Mr Tung.

CTO at Sticky, Head of Engineering at HMP Master, Director of Sticky Vietnam.

I help teams build products end to end — from the first idea to a reliable system in production — and lead the engineers who ship them. CTO at Sticky, Head of Engineering at HMP Master, Director of Sticky Vietnam.

fastfetch
48×48 · click me
mrtung@danang
OS
mrtung-os 2026.10
Host
Sticky · HMP Master
Role
CTO · Head of Eng · Director
Uptime
still shipping
Shell
zsh, of course
Stack
ai nestjs nextjs flutter
Arch
saas event-driven k8s
Data
postgres mysql clickhouse
Cloud
aws gcp azure do hetzner
Contrib
17,107 since 2022
Local
Đà Nẵng · --:-- ICT
kubectl get products -n mrtung
NAMESTATUSSINCE
sticky ● Running 2023
hmp-master ● Running 2019

01 / What I do

I build products end to end — not just the code.

Technology is one part of a product. I work across the whole loop — and lead the team through every stage of it.

Leading the team hiring · standards · code review · delivery rhythm — at every stage
STAGE 01 / 06 — DISCOVER

Find the real problem first.

Before any code: who the users are, what the business needs, and how we will know it worked.

What I do
  • User and stakeholder interviews
  • Problem framing and constraints
  • Success metrics agreed up front
Output
Problem briefSuccess metrics
/product

Product thinking

Start from the user and the business goal, cut scope to what proves it, and turn it into a plan the team can deliver.

/team

Leading engineering teams

Hiring, standards, code review and delivery rhythm — running technical teams that ship steadily across more than one product.

/tech

Hands-on technical depth

Web, mobile, data, cloud and AI — learned on the job at startups, so architecture calls come from building things, not from slides.

02 / Now

Leading engineering at two companies.

Restaurant tech 2023 — Now

Sticky

formerly StickyQR

CTO Global
Director Vietnam

A guest care platform for independent restaurants — online ordering, dine-in and delivery, connected by one shared guest memory.

Online HostDining HostThird-Party HostGuest Care
stickyqr.com
Hospitality software 2019 — Now

HMP Master

Thailand · USA · Vietnam

Path at HMP
  1. Mobile
  2. Web
  3. Tech Lead
  4. Manager
  5. Head of Eng.

A cloud platform for running hotels and lodges — operations, sales, finance and staff tools on web and mobile, plus a guest app.

360°DIRECTTravelX
hmpmaster.com

03 / Activity

Shipping, nearly every day.

17,107 contributions on GitHub since 2022 — @mrtungdev
6,821 contributions in the last 12 months
359/366 days with at least one contribution
228days longest unbroken streak
18.6 contributions a day, on average
Hover a day to see its count

12 Oct 2025 — 12 Oct 2026 · public and private contributions · cached 12 Oct 2026

04 / Stack

Shipped, not just listed.

Startups don't wait until you know everything. Each tool here went into a real product because the job needed it — learning fast is part of the work, and the part I enjoy most.

Learned on the job · used in production

Architecture

Expert

Systems I design, build and run in production — for restaurants, hotels and the teams behind them.

  • Multi-tenant SaaS
  • Microservices
  • Event-driven systems
  • Real-time & offline-first
  • Analytics pipelines
  • Cloud-native on Kubernetes

AI

/01
  • LLM integration
  • AI agents
  • AI-assisted development

Product

/02
  • Discovery & roadmaps
  • UI/UX
  • Design systems

Backend

/03
  • Node.js
  • NestJS

Databases

/04
  • PostgreSQL
  • MySQL
  • ClickHouse

Cloud

/05
  • AWS
  • Google Cloud
  • Azure
  • DigitalOcean
  • Hetzner

Infrastructure

/06
  • Kubernetes
  • Helm

Mobile

/07
  • Flutter
  • React Native
  • Swift
  • Ionic
  • Kotlin / Obj-C plugins

Frontend

/08
  • React
  • Next.js
  • Astro
  • Angular
  • JavaScript
  • TypeScript